Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703750 | Proportional solenoid valve control system | Yong Ho Kim, Young-Sik Lee | 1997-12-30 |
HC
Hee Sun Chun
Overall (1997): #143,931 of 185,788Top 80%
1
Patents 1997